1. Institute of Plant Protection and Aro-Products Safety, Anhui Academy of Agricultural Sciences; Hefei 230031 China
2. Scientific Observing and Experimental Station of Crop Pests in Hefei; Ministry of Agriculture; China
3. Laboratory of Quality & Safety Risk Assessment for Agro-Products (Hefei); Ministry of Agriculture; China
4. Institute for the Control of Agrochemicals, Ministry of Agriculture; Beijing 100026 China
5. Anhui Entry-Exit Inspention and Quarantine Bureau; Hefei 230022 China